The mode of presentation of patients with celiac disease has changed dramatically over the recent decades, with diarrheal or classic presentations becoming less common. This trend is most markedly seen…

Obesity affects more than one third of adults in the United States and is associated with increased morbidity, mortality, and health care costs compared with normal weight adults. Current therapies…

Endoscopic resection, including polypectomy, endoscopic mucosal resection, and endoscopic submucosal dissection, is the preferred treatment method of large colorectal polyps. Its safety and efficacy have been shown. Endoscopic removal techniques…

Colorectal stent placement offers a minimally invasive approach for relief of malignant bowel obstruction. Stent placement is safe and effective in carefully selected patients as a bridge to surgery or…

Endoscopic techniques for the treatment of postoperative fistulae and leaks are rapidly developing. Conventional surgical therapy for postsurgical leaks and fistulae is associated with significant morbidity and mortality. Novel endoscopic…

Since the concept of early gastric cancer was first described in Japan in 1962, its treatment has evolved from curative surgical resection to endoscopic resection, initially with polypectomy to more…

Deep endoscopic access using double- and single-balloon enteroscopes and rotational endoscopy has vastly improved endoscopic therapeutic options in the small intestine. In this new era of interventional enteroscopy, significant advances…

Most (>95%) ampullary lesions are adenomas or adenocarcinomas. Side viewing endoscopy, endoscopic ultrasound, and endoscopic retrograde cholangiopancreatography are complementary procedures that have an important role in the diagnosis, staging, and…

Endoscopic therapy for achalasia is centered on disrupting or weakening the lower esophageal sphincter. The three traditional treatment options for achalasia are surgical myotomy, pneumatic dilation, and botulinum toxin injection….